Pixel rate is worked out by multiplying the amount of colour ROPs by the the card’s clock speed. Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics card could possibly write to the local memory per second – measured in millions of pixels per second. It is measured in millions of texels applied in a second. The better this number, the better the graphics card will be at texture filtering (anisotropic filtering – AF). This number is worked out by multiplying the total amount of texture units by the core clock speed of the chip. Texel Rate: Texel rate is the maximum texture map elements (texels) that can be applied in one second. It especially helps with AA, High Dynamic Range and higher screen resolutions.
If DDR5, multiply by 4 instead.The higher the card’s memory bandwidth, the better the card will be in general. In the case of DDR memory, it must be multiplied by 2 once again.
It’s calculated by multiplying the interface width by its memory speed. Memory Bandwidth: Memory bandwidth is the largest amount of information (in units of MB per second) that can be transported across the external memory interface in a second. Please note that the above ‘benchmarks’ are all just theoretical – the results were calculated based on the card’s specifications, and real-world performance may (and probably will) vary at least a bit. If running with a high resolution is important to you, then the GeForce GTX 660 is superior to the GeForce GT 1030, though only just barely. The GeForce GTX 660 is much (more or less 94%) faster with regards to texture filtering than the GeForce GT 1030. Theoretically, the GeForce GTX 660 should be quite a bit faster than the GeForce GT 1030 overall. Power Usage and Theoretical Benchmarks Power Consumption (Max TDP) Memory Bandwidth
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